"There's 70 actors recreating in Civil War garb," Mullins recalled. "You have a cannon, and you have muskets that are firing blanks."

"And then they put the rope on my neck, and tightened it up," said Martin. "It's like, 'Oh, wow, this is kind of scary.'"

You can keep up with the cast and crew on Facebook, and catch a screening of the film at UNT Friday May 6, or in Gainesville on the 21st, just a few blocks from where The Great Hanging actually took place.